<html>
    <head>
      <base href="https://bugs.llvm.org/">
    </head>
    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - ORC JIT Duplicate definition of symbol"
   href="https://bugs.llvm.org/show_bug.cgi?id=49302">49302</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>ORC JIT Duplicate definition of symbol
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>new-bugs
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>11.0
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>PC
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>Windows NT
          </td>
        </tr>

        <tr>
          <th>Status</th>
          <td>NEW
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>normal
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>P
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>new bugs
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>unassignedbugs@nondot.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>fenir50@web.de
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>htmldeveloper@gmail.com, llvm-bugs@lists.llvm.org
          </td>
        </tr></table>
      <p>
        <div>
        <pre>I used Clang-Cl to compile two simple source files to the LLVM BC language:

First file:
#include <stdio.h>
#include <string>

int test()
{
    std::string("Planschi").substr(1000);
    return printf("Planschi\n");
}

And second file:
#include <stdio.h>
#include <string>

int test2()
{
    std::string("Planschi").substr(1000);
    return printf("Planschi\n");
}

---
Merging the resuling two BC files with LLVM-Link works fine with no issue.
However, when I use the ORC JIT to load those two files to the same DyLib, it
will fail with the message:
Duplicate definition of symbol '??_7exception@std@@6B@'
or
Duplicate definition of symbol '??_7bad_array_new_length@std@@6B@'</pre>
        </div>
      </p>


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